Guided rats – so-called ratbots – controlled through implants in their brains could one day be used to search for landmines or buried victims of earthquakes, scientists say.
The extraordinary experiment involves researchers steering five rats through an obstacle course by remote control.
Writing in the journal Nature, they say the ratbots could reach places inaccessible to humans or machines.
The researchers are led by Dr Sanjiv Talwar of the State University of New York. 
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